.app {
    padding: 0 5px 5px 5px;
    box-sizing: border-box;
}

.header {
    margin: 2px;
    border: 1px solid #999;
    border-radius: 2px;
}


.body {
    margin: 2px;
    padding: 2px;
    border: 1px solid #999;
    border-radius: 2px;
}

.col {
    padding: 2px;
}

.colBody {
    height: 100%;
    border: 1px solid #999;
    border-radius: 2px;
    padding: 5px;
    box-sizing: border-box;
}